.TreeBox {
    height: calc(100vh - 210px);
    border: 1px solid #ccc;
}

/* 右侧标题 */
.box {
    border: 1px solid #ccc;
    background-color: #00000008;
    font-size: 12px;
    padding: 5px 8px;
    margin-right: 8px;
    cursor: pointer;
}

.box.active {
    background-color: rgba(255, 182, 193, 0.281);
    color: red;
}

.example {
    text-align: center;
    background: rgba(0, 0, 0, 0.01);
    border-radius: 4px;
    height: 309px;
    line-height: 309px;
}